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“ door does not latch ”

RELATED FAQS

Resolution: How to: What are the steps to adjust a door closer? Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment. All closers with a "Del...:

What is thermal bow?

Resolution: Thermal Bow is a temporary condition which occurs in metal doors mainly due to the temperature differential from one side of the door to the other. This may occur in exterior doors when direct sun ...:

What would cause an EL device to pull and release?

Resolution: If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...:

What causes the top latch of a 1690 to not hold in the retracted position while the door swings?

Resolution: The top rod is adjusted too short, so when pushpad is pressed it is not operating the top latch enough to get into the hold down position. The top rod would need to be lengthened by turning the lat...:

Can Steelcraft doors be prepped for the 98/9949 Concealed Vertical Cable Exit Device?

Resolution: Yes, as an option, Steelcraft doors are available with factory prepared for the 98/9949 Concealed Vertical Cable Exit Device.L, B, CE, T and CE-Series doors are available factory preparedDoor prepa...:

Does an ND50 or ND53 unlock when closing the door?

Resolution: Both the ND50 and ND53 will not unlock when the door is shut. The only way to pop the button is by turning the key on the outside or the lever on the inside. Occasionally custome...:

What is the 022558-000-70?

Resolution: The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. DISCONTINUED: The Falcon T lock had a reinforcement kit for a 1 3/4" thick hollow metal do...:

Is there adjustment limits on the regulation valves of LCN manual closers?

Resolution: The regulation valves are designed to adjust the flow the hydraulic fluid in the closer which regulates the door closing speed through various phases of the closing cycle. The regulation valv...: